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The signature is cryptographically based on the exact document (and that person's certificate) so you can prove precisely what they signed. That is very much th
by quietbritishjim 6y ago
The signature is cryptographically based on the exact document (and that person's certificate) so you can prove precisely what they signed. That is very much the whole point of the signature feature. It wouldn't be much use if, when you tried to challenge someone later, they could said "oh no, that's not the version I saw, you must have changed it after I signed".
- pfranz 6y agoSure, my frustration is that it a) required Adobe's notoriously terrible software and b) wasn't obvious the implications of what I was doing and c) wasn't reversable/undoable. I think the concept is great and was just passing along that it existed in PDFs to the parent. Personally, having signed probably 100s of PDFs over the years I had never encountered it. I've only seen the web-based DocuSign. In every case (including this one) faxing the document back was acceptable, which breaks this. I am all for improving chain of trust, but it's not very helpful if the user doesn't understand what they're doing and as someone who likes tech I tend to want a bit more control than most people.